UCD90120RGCR

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The UCD90120RGCR is a PMIC - Supervisors component that is designed to provide undervoltage protection and supervisory monitoring of system power. The component is designed to monitor a single supply voltage and respond to both rising and falling undervoltage conditions. It also provides over temperature temperature protection with an external resistor to a maximum junction temperature of 150°C.

UCD90120RGCR has an 8-lead SOIC package and operates between an input voltage range of 3V to 16V. It has an OVP (Over Voltage Protection) feature that monitors a single supply voltage, with the help of the external resistor to provide over-temperature protection. It has an adjustable hysteresis to prevent false triggering of the fault signal. The UCD90120RGCR is a continuous supervision IC and it always stays powered to monitor the supply voltage for any low or over voltage events.

UCD90120RGCR application fields include general-purpose monitoring in energy limited applications, like distributed power systems, industrial and automotive applications such as HVAC, automotive body machines and load control. It can also be used to protect low-voltage micro-controllers and peripheral circuits from voltage transients, brown-outs and over-voltage levels. The UCD90120RGCR is also suitable for high-accuracy, low-cost power monitoring systems.

In operation, the UCD90120RGCR monitors the system or supply voltage for undervoltage and overvoltage events. It has two threshold levels – a lower voltage threshold (LOV) and an upper voltage threshold (UOV). If the monitored voltage falls outside the thresholds, the UCD90120RGCR will send a digital fault flag to inform of the failure. This fault flag can be used to shut down power supply to protect the system/devices from possible damages.

The UCD90120RGCR also has adjustable OVP and OTP (Over Temperature Protection) features. These features are adjustable via the external resistor so it can be tailored to suit the application needs. The UCD90120RGCR is immune to false alarms due to the adjustable hysteresis implemented in the OVP and OTP features. This makes it suitable for a wide range of applications, while providing maximum protection to the system/devices.

In summary, the UCD90120RGCR is a PMIC - Supervisors component that is designed to monitor for undervoltage and overvoltage events. It includes adjustable OVP and OTP features that can be tailored to application needs. The UCD90120RGCR is suitable for general-purpose monitoring in energy limited applications, and can also be used to protect low-voltage micro-controllers and peripheral circuits from voltage transients, brown-outs and over-voltage conditions. It has an 8-lead SOIC package with an input voltage range of 3V to 16V.

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